A particular material has a specific gravity of 1.04 at 20°C. As this material is heated from 20°C to 30°C its volume increases faster than does the volume of water. Which of the following statements is true of the specific gravity of this material as it is heated to 30°C?
A) Its specific gravity decreases.
B) Its specific gravity increases.
C) Its specific gravity remains the same.
D) There is insufficient information to answer the question.
A
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Answer the following statement true (T) or false (F)
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A few individuals of a bird species fly to a small city that previously had no individuals of this species. The immigrant birds find that the city has adequate food and no predators. On average, each bird has four offspring per year and lives for two years. How will the population of birds change over the first few years?
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